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David B Gravison

from Sutton, MA
Age ~73

David Gravison Phones & Addresses

  • 14 Torrey Rd, Sutton, MA 01590 (508) 476-2181 (508) 476-7055
  • Wilkinsonville, MA
  • Owls Head, ME
  • Southbridge, MA
  • Millbury, MA
  • 14 Torrey Rd, Sutton, MA 01590 (508) 476-2181

Work

Position: Craftsman/Blue Collar

Education

Degree: High school graduate or higher

Professional Records

License Records

David B Gravison

Address:
Sutton, MA
License #:
16180 - Active
Expiration Date:
May 1, 2018
Type:
Journeyman Plumber

David B Gravison

Address:
Sutton, MA
License #:
8256 - Active
Expiration Date:
May 1, 2018
Type:
Master Plumber

Publications

Us Patents

Device And Method For Tightening A Spout

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US Patent:
6443497, Sep 3, 2002
Filed:
Aug 3, 2000
Appl. No.:
09/631493
Inventors:
David B. Gravison - Sutton MA, 01590
International Classification:
F16L 1304
US Classification:
285114, 285192, 285179, 285903, 138110, 138114, 138155, 411433, 411540
Abstract:
A device for tightening a spout, attached to a previously installed angled pipe having an outside radius of curvature, in a position relative to a stop member having an opening through which at least a length of the pipe extends, comprising, at least one sleeve, comprises: at least a first leg and a second leg which meet at a juncture which defines an angle substantially corresponding to the angled pipe, wherein the first and second legs have a combined total length, wherein the first leg has a leg length and is substantially rigid along at least a portion of the leg length, has an inside radius of curvature that is approximately equal to or greater than the radius of curvature of the angled pipe, and wherein the sleeve has a slit, along the entire total length of the first and second legs, to allow the sleeve to be pressed onto and at least partially about the angled pipe; and a method for using the same.
David B Gravison from Sutton, MA, age ~73 Get Report